--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/network/bearer/qnetworkconfigmanager_p.cpp Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,513 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtNetwork module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qnetworkconfigmanager_p.h"
+#include "qbearerplugin_p.h"
+
+#include <QtCore/private/qfactoryloader_p.h>
+
+#include <QtCore/qdebug.h>
+#include <QtCore/qtimer.h>
+#include <QtCore/qstringlist.h>
+#include <QtCore/qthread.h>
+#include <QtCore/private/qcoreapplication_p.h>
+
+#ifndef QT_NO_BEARERMANAGEMENT
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_LIBRARY
+Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
+ (QBearerEngineFactoryInterface_iid, QLatin1String("/bearer")))
+#endif
+
+QNetworkConfigurationManagerPrivate::QNetworkConfigurationManagerPrivate()
+: pollTimer(0), mutex(QMutex::Recursive), forcedPolling(0), firstUpdate(true)
+{
+ qRegisterMetaType<QNetworkConfiguration>("QNetworkConfiguration");
+
+ moveToThread(QCoreApplicationPrivate::mainThread());
+ updateConfigurations();
+}
+
+QNetworkConfigurationManagerPrivate::~QNetworkConfigurationManagerPrivate()
+{
+ QMutexLocker locker(&mutex);
+
+ qDeleteAll(sessionEngines);
+}
+
+QNetworkConfiguration QNetworkConfigurationManagerPrivate::defaultConfiguration()
+{
+ QMutexLocker locker(&mutex);
+
+ foreach (QBearerEngine *engine, sessionEngines) {
+ QNetworkConfigurationPrivatePointer ptr = engine->defaultConfiguration();
+
+ if (ptr) {
+ QNetworkConfiguration config;
+ config.d = ptr;
+ return config;
+ }
+ }
+
+ // Engines don't have a default configuration.
+
+ // Return first active snap
+ QNetworkConfigurationPrivatePointer defaultConfiguration;
+
+ foreach (QBearerEngine *engine, sessionEngines) {
+ QHash<QString, QNetworkConfigurationPrivatePointer>::Iterator it;
+ QHash<QString, QNetworkConfigurationPrivatePointer>::Iterator end;
+
+ QMutexLocker locker(&engine->mutex);
+
+ for (it = engine->snapConfigurations.begin(), end = engine->snapConfigurations.end();
+ it != end; ++it) {
+ QNetworkConfigurationPrivatePointer ptr = it.value();
+
+ QMutexLocker configLocker(&ptr->mutex);
+
+ if ((ptr->state & QNetworkConfiguration::Active) == QNetworkConfiguration::Active) {
+ QNetworkConfiguration config;
+ config.d = ptr;
+ return config;
+ } else if (!defaultConfiguration) {
+ if ((ptr->state & QNetworkConfiguration::Discovered) ==
+ QNetworkConfiguration::Discovered) {
+ defaultConfiguration = ptr;
+ }
+ }
+ }
+ }
+
+ // No Active SNAPs return first Discovered SNAP.
+ if (defaultConfiguration) {
+ QNetworkConfiguration config;
+ config.d = defaultConfiguration;
+ return config;
+ }
+
+ /*
+ No Active or Discovered SNAPs, find the perferred access point.
+ The following priority order is used:
+
+ 1. Active Ethernet
+ 2. Active WLAN
+ 3. Active Other
+ 4. Discovered Ethernet
+ 5. Discovered WLAN
+ 6. Discovered Other
+ */
+
+ defaultConfiguration.reset();
+
+ foreach (QBearerEngine *engine, sessionEngines) {
+ QHash<QString, QNetworkConfigurationPrivatePointer>::Iterator it;
+ QHash<QString, QNetworkConfigurationPrivatePointer>::Iterator end;
+
+ QMutexLocker locker(&engine->mutex);
+
+ for (it = engine->accessPointConfigurations.begin(),
+ end = engine->accessPointConfigurations.end(); it != end; ++it) {
+ QNetworkConfigurationPrivatePointer ptr = it.value();
+
+ const QString bearerName = ptr->bearerName();
+ QMutexLocker configLocker(&ptr->mutex);
+
+ if ((ptr->state & QNetworkConfiguration::Discovered) ==
+ QNetworkConfiguration::Discovered) {
+ if (!defaultConfiguration) {
+ defaultConfiguration = ptr;
+ } else {
+ if (defaultConfiguration->state == ptr->state) {
+ if (defaultConfiguration->bearerName() == QLatin1String("Ethernet")) {
+ // do nothing
+ } else if (defaultConfiguration->bearerName() == QLatin1String("WLAN")) {
+ // ethernet beats wlan
+ if (bearerName == QLatin1String("Ethernet"))
+ defaultConfiguration = ptr;
+ } else {
+ // ethernet and wlan beats other
+ if (bearerName == QLatin1String("Ethernet") ||
+ bearerName == QLatin1String("WLAN")) {
+ defaultConfiguration = ptr;
+ }
+ }
+ } else {
+ // active beats discovered
+ if ((defaultConfiguration->state & QNetworkConfiguration::Active) !=
+ QNetworkConfiguration::Active) {
+ defaultConfiguration = ptr;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ // No Active InternetAccessPoint return first Discovered InternetAccessPoint.
+ if (defaultConfiguration) {
+ QNetworkConfiguration config;
+ config.d = defaultConfiguration;
+ return config;
+ }
+
+ return QNetworkConfiguration();
+}
+
+QList<QNetworkConfiguration> QNetworkConfigurationManagerPrivate::allConfigurations(QNetworkConfiguration::StateFlags filter)
+{
+ QList<QNetworkConfiguration> result;
+
+ QMutexLocker locker(&mutex);
+
+ foreach (QBearerEngine *engine, sessionEngines) {
+ QHash<QString, QNetworkConfigurationPrivatePointer>::Iterator it;
+ QHash<QString, QNetworkConfigurationPrivatePointer>::Iterator end;
+
+ QMutexLocker locker(&engine->mutex);
+
+ //find all InternetAccessPoints
+ for (it = engine->accessPointConfigurations.begin(),
+ end = engine->accessPointConfigurations.end(); it != end; ++it) {
+ QNetworkConfigurationPrivatePointer ptr = it.value();
+
+ QMutexLocker configLocker(&ptr->mutex);
+
+ if ((ptr->state & filter) == filter) {
+ QNetworkConfiguration pt;
+ pt.d = ptr;
+ result << pt;
+ }
+ }
+
+ //find all service networks
+ for (it = engine->snapConfigurations.begin(),
+ end = engine->snapConfigurations.end(); it != end; ++it) {
+ QNetworkConfigurationPrivatePointer ptr = it.value();
+
+ QMutexLocker configLocker(&ptr->mutex);
+
+ if ((ptr->state & filter) == filter) {
+ QNetworkConfiguration pt;
+ pt.d = ptr;
+ result << pt;
+ }
+ }
+ }
+
+ return result;
+}
+
+QNetworkConfiguration QNetworkConfigurationManagerPrivate::configurationFromIdentifier(const QString &identifier)
+{
+ QNetworkConfiguration item;
+
+ QMutexLocker locker(&mutex);
+
+ foreach (QBearerEngine *engine, sessionEngines) {
+ QMutexLocker locker(&engine->mutex);
+
+ if (engine->accessPointConfigurations.contains(identifier))
+ item.d = engine->accessPointConfigurations.value(identifier);
+ else if (engine->snapConfigurations.contains(identifier))
+ item.d = engine->snapConfigurations.value(identifier);
+ else if (engine->userChoiceConfigurations.contains(identifier))
+ item.d = engine->userChoiceConfigurations.value(identifier);
+ else
+ continue;
+
+ return item;
+ }
+
+ return item;
+}
+
+bool QNetworkConfigurationManagerPrivate::isOnline()
+{
+ QMutexLocker locker(&mutex);
+
+ return !onlineConfigurations.isEmpty();
+}
+
+QNetworkConfigurationManager::Capabilities QNetworkConfigurationManagerPrivate::capabilities()
+{
+ QMutexLocker locker(&mutex);
+
+ QNetworkConfigurationManager::Capabilities capFlags;
+
+ foreach (QBearerEngine *engine, sessionEngines)
+ capFlags |= engine->capabilities();
+
+ return capFlags;
+}
+
+void QNetworkConfigurationManagerPrivate::configurationAdded(QNetworkConfigurationPrivatePointer ptr)
+{
+ QMutexLocker locker(&mutex);
+
+ if (!firstUpdate) {
+ QNetworkConfiguration item;
+ item.d = ptr;
+ emit configurationAdded(item);
+ }
+
+ ptr->mutex.lock();
+ if (ptr->state == QNetworkConfiguration::Active) {
+ ptr->mutex.unlock();
+ onlineConfigurations.insert(ptr->id);
+ if (!firstUpdate && onlineConfigurations.count() == 1)
+ emit onlineStateChanged(true);
+ } else {
+ ptr->mutex.unlock();
+ }
+}
+
+void QNetworkConfigurationManagerPrivate::configurationRemoved(QNetworkConfigurationPrivatePointer ptr)
+{
+ QMutexLocker locker(&mutex);
+
+ ptr->mutex.lock();
+ ptr->isValid = false;
+ ptr->mutex.unlock();
+
+ if (!firstUpdate) {
+ QNetworkConfiguration item;
+ item.d = ptr;
+ emit configurationRemoved(item);
+ }
+
+ onlineConfigurations.remove(ptr->id);
+ if (!firstUpdate && onlineConfigurations.isEmpty())
+ emit onlineStateChanged(false);
+}
+
+void QNetworkConfigurationManagerPrivate::configurationChanged(QNetworkConfigurationPrivatePointer ptr)
+{
+ QMutexLocker locker(&mutex);
+
+ if (!firstUpdate) {
+ QNetworkConfiguration item;
+ item.d = ptr;
+ emit configurationChanged(item);
+ }
+
+ bool previous = !onlineConfigurations.isEmpty();
+
+ ptr->mutex.lock();
+ if (ptr->state == QNetworkConfiguration::Active)
+ onlineConfigurations.insert(ptr->id);
+ else
+ onlineConfigurations.remove(ptr->id);
+ ptr->mutex.unlock();
+
+ bool online = !onlineConfigurations.isEmpty();
+
+ if (!firstUpdate && online != previous)
+ emit onlineStateChanged(online);
+}
+
+void QNetworkConfigurationManagerPrivate::updateConfigurations()
+{
+ QMutexLocker locker(&mutex);
+
+ if (firstUpdate) {
+ if (sender())
+ return;
+
+ updating = false;
+
+#ifndef QT_NO_LIBRARY
+ QFactoryLoader *l = loader();
+
+ QBearerEngine *generic = 0;
+
+ foreach (const QString &key, l->keys()) {
+ QBearerEnginePlugin *plugin = qobject_cast<QBearerEnginePlugin *>(l->instance(key));
+ if (plugin) {
+ QBearerEngine *engine = plugin->create(key);
+ if (!engine)
+ continue;
+
+ if (key == QLatin1String("generic"))
+ generic = engine;
+ else
+ sessionEngines.append(engine);
+
+ engine->moveToThread(QCoreApplicationPrivate::mainThread());
+
+ connect(engine, SIGNAL(updateCompleted()),
+ this, SLOT(updateConfigurations()));
+ connect(engine, SIGNAL(configurationAdded(QNetworkConfigurationPrivatePointer)),
+ this, SLOT(configurationAdded(QNetworkConfigurationPrivatePointer)));
+ connect(engine, SIGNAL(configurationRemoved(QNetworkConfigurationPrivatePointer)),
+ this, SLOT(configurationRemoved(QNetworkConfigurationPrivatePointer)));
+ connect(engine, SIGNAL(configurationChanged(QNetworkConfigurationPrivatePointer)),
+ this, SLOT(configurationChanged(QNetworkConfigurationPrivatePointer)));
+
+ QMetaObject::invokeMethod(engine, "initialize");
+ }
+ }
+
+ if (generic)
+ sessionEngines.append(generic);
+#endif // QT_NO_LIBRARY
+ }
+
+ QBearerEngine *engine = qobject_cast<QBearerEngine *>(sender());
+ if (!updatingEngines.isEmpty() && engine) {
+ int index = sessionEngines.indexOf(engine);
+ if (index >= 0)
+ updatingEngines.remove(index);
+ }
+
+ if (updating && updatingEngines.isEmpty()) {
+ updating = false;
+ emit configurationUpdateComplete();
+ }
+
+ if (engine && !pollingEngines.isEmpty()) {
+ int index = sessionEngines.indexOf(engine);
+ if (index >= 0)
+ pollingEngines.remove(index);
+
+ if (pollingEngines.isEmpty())
+ startPolling();
+ }
+
+ if (firstUpdate)
+ firstUpdate = false;
+}
+
+void QNetworkConfigurationManagerPrivate::performAsyncConfigurationUpdate()
+{
+ QMutexLocker locker(&mutex);
+
+ if (sessionEngines.isEmpty()) {
+ emit configurationUpdateComplete();
+ return;
+ }
+
+ updating = true;
+
+ for (int i = 0; i < sessionEngines.count(); ++i) {
+ updatingEngines.insert(i);
+ QMetaObject::invokeMethod(sessionEngines.at(i), "requestUpdate");
+ }
+}
+
+QList<QBearerEngine *> QNetworkConfigurationManagerPrivate::engines()
+{
+ QMutexLocker locker(&mutex);
+
+ return sessionEngines;
+}
+
+void QNetworkConfigurationManagerPrivate::startPolling()
+{
+ QMutexLocker locker(&mutex);
+
+ bool pollingRequired = false;
+
+ if (forcedPolling > 0) {
+ foreach (QBearerEngine *engine, sessionEngines) {
+ if (engine->requiresPolling()) {
+ pollingRequired = true;
+ break;
+ }
+ }
+ }
+
+ if (!pollingRequired) {
+ foreach (QBearerEngine *engine, sessionEngines) {
+ if (engine->configurationsInUse()) {
+ pollingRequired = true;
+ break;
+ }
+ }
+ }
+
+ if (pollingRequired) {
+ if (!pollTimer) {
+ pollTimer = new QTimer(this);
+ pollTimer->setInterval(10000);
+ pollTimer->setSingleShot(true);
+ connect(pollTimer, SIGNAL(timeout()), this, SLOT(pollEngines()));
+ }
+
+ pollTimer->start();
+ }
+}
+
+void QNetworkConfigurationManagerPrivate::pollEngines()
+{
+ QMutexLocker locker(&mutex);
+
+ for (int i = 0; i < sessionEngines.count(); ++i) {
+ if ((forcedPolling && sessionEngines.at(i)->requiresPolling()) ||
+ sessionEngines.at(i)->configurationsInUse()) {
+ pollingEngines.insert(i);
+ QMetaObject::invokeMethod(sessionEngines.at(i), "requestUpdate");
+ }
+ }
+}
+
+void QNetworkConfigurationManagerPrivate::enablePolling()
+{
+ QMutexLocker locker(&mutex);
+
+ ++forcedPolling;
+
+ if (forcedPolling == 1)
+ QMetaObject::invokeMethod(this, "startPolling");
+}
+
+void QNetworkConfigurationManagerPrivate::disablePolling()
+{
+ QMutexLocker locker(&mutex);
+
+ --forcedPolling;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_BEARERMANAGEMENT